CN106257999A - Portable matrix phased array means of spot welds checks system - Google Patents
Portable matrix phased array means of spot welds checks system Download PDFInfo
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- CN106257999A CN106257999A CN201580009190.6A CN201580009190A CN106257999A CN 106257999 A CN106257999 A CN 106257999A CN 201580009190 A CN201580009190 A CN 201580009190A CN 106257999 A CN106257999 A CN 106257999A
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- phased array
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/262—Arrangements for orientation or scanning by relative movement of the head and the sensor by electronic orientation or focusing, e.g. with phased arrays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/08—Seam welding not restricted to one of the preceding subgroups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/233—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
- B23K20/2336—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer both layers being aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/32—Bonding taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/225—Supports, positioning or alignment in moving situation
- G01N29/226—Handheld or portable devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/106—Number of transducers one or more transducer arrays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2638—Complex surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
- G01N2291/2672—Spot welding
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- Mechanical Engineering (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Acoustics & Sound (AREA)
- Quality & Reliability (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
A kind of portable system for non-destructively characterizing means of spot welds, including at least one matrix phased array probe and main body, wherein, described main body is designed to hand-held, and also includes: the external shell of ergonomic designs；At least one input, is used for being connected at least one matrix phased array probe described；Ultrasonic phased array transmission and reception circuit, carries out telecommunication with at least one input described；Touching screen computer, it also includes at least one data processor, and it runs the software of at least one imaging algorithm including the ultrasonic C-scan Image for processing the data received from described probe and the color generating characterized welding coding；And at least one monitor, the ultrasonic C-scan Image that the described color of the welding characterized encodes is shown in real time.
Description
Cross-Reference to Related Applications
This patent application is entitled " the 3-D Matrix Phased Array submitted on May 10th, 2012
Spot Weld Inspection System " the part of U.S. Patent Application Serial Number No.13/468,502 continue
Continuous, it requires entitled " the Three-Dimensional Matrix Phased submitted on May 10th, 2011
Array Spot Weld Inspection System " U.S. Provisional Patent Application Serial No.
No.61/484, the interests of 312, its open completely being quoted by it for all purposes is merged into this and becomes
Part for the application of this U.S. patent Nos.
Technical field
The present invention is designed for the inspection system used in the performance of assessment industrial manufacturing process generally,
More particularly, it relates to the non-demolition of a kind of quality for assessing point of resistance welding and other welding point
Property check system.
Background technology
Sheet metal joint technology is widely used in a lot of industry including aircraft industry and automatic industrial
In.In the middle of these techniques, because point of resistance welding has high technology speed and easily in scale
Production line uses, so it is the most universal a kind of process.There are seam welding, solder bond, adhesion
Accreditation has been won in joint, weldering and brazing.The quality control of these joint technologies is it had been thought that be
Major issue to manufacturer.The quality of welding point is by joint technology self and by the design shadow of joint
Ring.Consider several factors, including metallurgical reaction, thermal behavior, chemosynthesis, the beginning shape of base metal
Condition, welding and bonding state and the welding used during technique and combination are equipped.Additionally, these
Numerous and diverse relation between factor makes it difficult to control the quality of welding point, and is difficult to pass through non-destructive
Mode checks welding point.
Acoustic method is for the various nondestructive testing methods commonly used checking application.With other
Nondestructive testing method is different, and acoustic method provides surface information and internal information.Additionally, acoustics side
Method allows access into deeper penetrating and the highest for the little discontinuity in welding point of specimen
Sensitivity.But, acoustic method has restriction really.The most significantly limit and include: require skilled
Operator uses test equipment and analytical acoustics data, and identifies adhesion or cold welding or the knot of deficiency
Close the most subjective character of (such as coincide and combine).Correspondingly, ultrasonic non-destructive estimates (NDE)
Field need reliable technique or technology, for by eliminating involving in and testing of skilled operators
The mode of the subjective interpretation of data identifies poor quality joint.
Summary of the invention
The general introduction of certain exemplary embodiments of the present invention presented below.The general view that this general introduction is the most wide in range, and
And be not intended to identify the key or decisive aspect of the present invention or define its scope.
According to an aspect of the present invention, it is provided that a kind of first portable for non-destructively characterizing means of spot welds
System.This system includes at least one matrix phased array probe and main body.Described matrix phased array
Probe also includes: multiple ultrasonic transducers unit that the end at described probe is arranged in curved arrays
Part, multiple ultrasound transducer element are operable as not only generating ultrasonic signal but also receive its reflection；And material
Combination, for making acoustic energy can be transferred directly to the same of described means of spot welds under test status
Time allow the contoured surfaces of means of spot welds described in head coincidence detection, wherein, the combination of described material also includes:
Flexible membrane, is arranged on one end of described probe；And by the chamber of fluid filled or solid sound delay time
Material, is deployed between described film and described array.Described main body is designed to hand-held, and also bag
Include: the external shell of ergonomic designs；At least one input, is used for being connected at least one square described
Battle array phased array probe；Ultrasonic phased array transmission and reception circuit, is carried out with at least one input described
Telecommunication；Touching screen computer, it also includes at least one data processor, its run include for
Process the data received from described probe and the Ultrasonic C of the color generating characterized welding coding
The software of at least one imaging algorithm of scanogram；And at least one monitor, for display in real time
The ultrasonic C-scan Image of the described color coding of the welding characterized.
According to a further aspect of the invention, it is provided that a kind of second portable for non-destructively characterizing means of spot welds
Formula system.This system also includes at least one matrix phased array probe and main body.Described matrix is phased
Array probe also includes: multiple ultrasonic transducers that the end at described probe is arranged in curved arrays
Element, multiple ultrasound transducer element are operable as not only generating ultrasonic signal but also receive its reflection；And material
The combination of material, for making acoustic energy can be transferred directly to described means of spot welds under test status
Allowing the contoured surfaces of means of spot welds described in head coincidence detection, wherein, the combination of described material also includes simultaneously:
Flexible membrane, is arranged on one end of described probe；And by the chamber of fluid filled or solid sound delay time
Material, is deployed between described film and described array.Described main body is designed to hand-held, and also bag
Include: the external shell of ergonomic designs, have and be applicable to deposit described matrix phased array probe
Handle；At least one input, is used for being connected to described probe；Ultrasonic phased array sends and receives electricity
Road, carries out telecommunication with at least one input described；Touching screen computer, it also includes at least one
Data processor, it runs and includes being characterized for processing the data that receive from described probe and generating
The software of at least one imaging algorithm of ultrasonic C-scan Image of color coding of welding；At least one
Monitor, shows the ultrasonic C-scan Image that the described color of the welding characterized encodes in real time；With
And at least one rechargeable battery.
In another aspect of the invention, it is provided that a kind of the 3rd portable for non-destructively characterizing means of spot welds
Formula system.This system also includes at least one matrix phased array probe and main body.Described matrix is phased
Array probe also includes: multiple ultrasonic transducers that the end at described probe is arranged in curved arrays
Element, wherein, described element of transducer is arranged in discrete subgroup further, wherein, every height
Group independent of other subgroup and can be activated at different intervals；And change described in wherein,
Can be operable as by device element: not only generate ultrasonic signal but also receive its reflection；And the combination of material, it is used for
While making acoustic energy can be transferred directly to described means of spot welds, probe is allowed under test status
Meeting the contoured surfaces of described means of spot welds, wherein, the combination of described material also includes: flexible membrane, peace
It is contained on one end of described probe；And by the chamber of fluid filled or solid sound delay time material, dispose
Between described film and described array.Described main body is designed to hand-held, and also includes: human body work
Learning the external shell of design, have: handle, it has been applicable to deposit described matrix phased array probe；
And at least one arm support, it is used for supporting described main body；At least one input, is used for being connected to described
Probe；Ultrasonic phased array transmission and reception circuit, carries out telecommunication with at least one input described；Touch
Touching screen computer, wherein, described touch screen computer also includes at least one data processor, its
Run and include for processing the data received from described probe and the color generating characterized welding
The software of at least one imaging algorithm of the ultrasonic C-scan Image of coding；And wherein, C-scan image
Also include the welding tile for each characterized welding and the average diameter of fusion block；At least one
Monitor, shows the ultrasonic C-scan Image that the described color of the welding characterized encodes in real time；With
And at least one rechargeable battery.
When reading and understand exemplary embodiment described in detail below, the supplementary features of the present invention and
Aspect will be made apparent from for those skilled in the art.It will be understood by those skilled in the art that without departing from this
In the case of the scope and spirit of invention, other embodiments of the invention are possible.Correspondingly, accompanying drawing
It is substantially illustrative and not restrictive with associate description regarding as.
Accompanying drawing explanation
Be merged in description and formed the accompanying drawing of its part together be given above common description and
Detailed description given below schematically shows the one or more exemplary embodiment of the present invention together, uses
In the principle of the explanation present invention, and wherein:
Fig. 1 is to illustrate three-dimensional matrice phased array means of spot welds inspection system according to an exemplary embodiment of the present invention
The block diagram of the primary clustering of system；
Fig. 2 a-Fig. 2 c provides froming the perspective of from the test result using the good means of spot welds of systematic analysis of Fig. 1 to obtain
Bright；
Fig. 3 provides regarding under the A sweep pattern of electronics gating included in the welding inspection system of Fig. 1
Feel and represent；
Fig. 4 a-Fig. 4 c provides froming the perspective of from the test result using the systematic analysis bad luck means of spot welds of Fig. 1 to obtain
Bright；
Fig. 5 a-Fig. 5 b provides froming the perspective of from the test result using the systematic analysis adhesion welding of Fig. 1 to obtain
Bright；
Fig. 6 a-Fig. 6 b illustrates the shape of 3-D bendable probe element and excites for sub-the various of element group
Sequence；
Fig. 7 a-Fig. 7 d provides the design of 3-D bendable probe for the modeling of the advantage of 2-D flat probe design
Checking；
Fig. 8 provides the data flowchart of the exemplary embodiment of the means of spot welds inspection process for the present invention；
Fig. 9 provides the example of the imaging results for various means of spot welds situations；
Figure 10 is according to an exemplary embodiment of the present invention for non-destructively characterizing the portable of means of spot welds
The front perspective view of formula system；And
Figure 11 is the block diagram of the basic functionality of the system of Figure 10.
Detailed description of the invention
Referring now to accompanying drawing, exemplary embodiment of the present is described.Label is used in detailed description in the whole text to refer to
Various key elements and structure.In other example, in order to simplify the purpose of description, public affairs are shown in form of a block diagram
Know structure and equipment.A lot of special case is comprised for illustrative purposes although described in detail below, but this area
It should be understood to the one skilled in the art that a lot of changes and change to details below are within the scope of the invention.Accordingly
Ground, illustrates following example of the present invention in the case of without loss of generality, rather than the present invention applies limit
System.
The application passes through to quote completely to merge U.S. Patent application at this for all purposes
No.12/186,047.About nomenclature used herein, the present invention is described as analyzing the first workpiece
The integrity welded with the point of resistance between second workpiece or upper and lower metal sheet is useful.But, this
Invention can be applicable to all welding, regardless of whether the material of workpiece, configuration or quantity and adhesive bond.Cause
This, although the disclosure generally refers to adhesion welding, it is understood by one skilled in the art that present invention detection
The adhesion part of the general joint being referred to as identical combination or weak binding in bonding field.The present invention is too
Can be applicable to metal and nonmetal, and be not limited to fusion welding but it also may be used for checking solid State Welding,
Brazing and weldering union joint.Therefore, although the method has application-specific in the automated analysis of means of spot welds,
But it can be used for estimating to combine continuously.
When workpiece (such as sheet metal part) is kept together by localization fusion at welding junction,
Adhesion welding or adhesion joint produce, but as the result of welding procedure, solder joint or welding tile still
Do not formed.Adhesion welding is typically arising from the shortage of heat at welding junction to create tile growth.?
When lacking the welding tile properly formed, fusion may produce the specific contact between each metal sheet
At Dian.In the case of the material applied, coating can melt and refreeze, effectively will be each
Part weldering connects together.Gained combines general strong enough to hold a workpiece in together under light load, but
The power of appropriateness will be pulled open them.If ultrasonic tesint is used for analyzing weld integrity, if then fusion is not yet
Produce, then the ultrasonic beam (i.e. sound wave) sent will not pass through the interface between each sheet material.If
Adhesion welding produces, and causes fusing, but welding tile, then the ultrasonic beam sent will partly be worn
Cross sheet material interface.If welding tile has properly formed, then the ultrasonic beam sent will be worn completely
Cross sheet material interface.
Phased array ultra sound test (PAUT) may be used for Defect Detection, determines size and imaging.
PAUT technology is the ability for electronically revising acoustic probes characteristic.By being sent to array
The signal (pulse) of the individual component of probe or be received from the signal (echoing) of individual component of array probe
Middle introducing time shift, performs probe amendment.For in order to collect without the destructive purpose estimated and show
Three kinds of common formats of ultrasound data are that A sweep presents, B-scan presents and presents with C-scan.Each
Present pattern and the means for visualization and the region estimating the material just checked are provided.A sweep is to show
Go out the time of the ultrasonic signal that thickness metering offer is typically provided by conventional ultrasound Defect Detection device and waveform
Present with the simple R F waveform of amplitude.A sweep is amplitude modulation(PAM) scanning, and is generally used for pulse
Echoing ultrasonic, horizontal and vertical brush (sweep) becomes to compare with time or distance and amplitude or amplitude respectively
Example.Therefore, position and the amplitude of acoustic interface is indicated as the degree of depth under transducer.Along vertical axis
Draw the relative quantity of energy received, and show that along trunnion axis time of passing, (it can be with material
Acoustic energy traveling time in material is relevant).Utilize A sweep display most instruments allow signal with
That its natural radio frequency form (RF) is shown as the RF signal of complete rectification or RF signal or positive half
Divide or negative half.In A sweep presents, can be by comparing the signal obtained from unknown reflector
Amplitude with the signal amplitude obtained from known reflector to estimate relative discontinuity size.The reflector degree of depth
Can be determined by the position of the signal in horizontal brush.C-scan from Phased Array Radar System includes: super
Sonic probe physically moves along an axle, and wave beam according to focus on rule (focal law) sequence along
Another axle electronically scans.Signal amplitude or depth data is collected in the interest region of gating.Make
Drawing data is carried out by each focusing rule series with the beam aperture of programming.Matrix phased array is utilized to visit
Head, can complete beam steering in a plurality of directions.
Referring to the drawings, exemplary embodiment of the present provides a kind of quality for assessing point of resistance welding
Nondestructive inspection system.As shown in the Fig. 1 as the block diagram of exemplary embodiment, means of spot welds inspection system
System 10 is operable as: assessment is formed at sheet material 16 and (all has about 0.6mm with lower sheet material 18
Sheet thickness to about 2.0mm) between interface 14 at the quality of welding 12.About 0.1mm
The air gap to about 0.5mm may be presented between upper sheet material 16 and lower sheet material 18.Three-dimensional square
Battle array phased array probe 100 is held in place on the region of the upper sheet material 16 on the block welded.
The curved arrays 106 of ultrasonic component is used for the block being sent to multiple ultrasonic beams 108 be welded, and
And capture the association reflection 110 of these ultrasonic beams.Phased array unit 200 is by multiple signal paths
202 carry out telecommunication with multiple ultrasonic components 102.Phased array unit 200 also enters with computer 300
Row telecommunication, computer 300 processes arrival ultrasound data and generates the visual representation of the block welded.
Probe 100 includes flexible membrane 102, and it allows the tip of probe to meet the profile of the block welded；With
And by the chamber 104 of fluid filled or solid sound delay time material, be used for converging and turning to ultrasonic beam
108.Because flexible membrane 102 can meet the curved surface shown in Fig. 1, and because element of transducer
The array of 106 is to bend geometric configuration (see Fig. 1), so having flat array and smooth with use
" two-dimentional " system of most advanced and sophisticated probe is contrary, and the matrix phased array of the present invention is referred to as " three-dimensional ".
Fig. 2 a-2c provides the explanation analyzing the test result that good means of spot welds obtains from use system 10.?
In Fig. 2 a, ultrasonic beam travels completely through welding 12 and interface 14, and after lower sheet material 18
Lateral reflection returns to pop one's head in 100.Fig. 2 b graphically illustrates that each sound wave is along with its transmission at interface 14
And the direction reflected and relative intensity.In figure 2b, thinner line represents along with sound wave and interface 14
The loss of mutual acoustic energy.Be appointed as the reflected signal of circular 1,2 and 3 corresponding in Fig. 2 c in
The existing peak value shown in A sweep.Fig. 2 c provides the signal that the test from A sweep pattern obtains,
Wherein, signal 1 represents the reflection of the top surface from upper sheet material 16, and signal 2 represents that first is complete
Back reflection, signal 3 represents that second is completely reversed reflection.The horizontal line expression table drawn by signal 2
Face gates, and the horizontal line adjacent with signal 2 represents that interface gates (see following discussion).
Ultrasonic energy transmission at rear side based on welding junction 14 and lower sheet material 18 and reflection, system
10 use two adjustable electronics gatings, to filter out all undesired reflected signals.Through gating
Two signals otherwise be the reflected signal of rear side of the second sheet material from metal, or be from two
The reflected signal of the interface of sheet metal.First gating is referred to as " surface gating ", and the second gating is referred to as " connecing
Mouth gating ".The method is different from the current commercial system utilizing attenuation quotient compensation method.At these it is
In system, it is assumed that the micro structure of the fusion section of means of spot welds has higher decay compared with adhesion welding situation
Coefficient, it is considered to from all surface and multiple reflections of interface, to determine attenuation quotient, and for point
Welding fusion produced acoustic energy loss is corrected.As being incorporated by reference into this United States Patent (USP)
Application No.12/186, disclosed in 047 and as requirement, each ultrasonic component in array 106
Generating main ultrasonic beam and secondary ultrasonic beam, wherein, main ultrasonic beam is high-gain, and wherein, secondary
Ultrasonic beam is low gain；And wherein, main ultrasonic beam and secondary ultrasonic beam are the most closely
Excite in proximity (the most several milliseconds).As shown in Figure 4, the passage 1 during passage 2 is each peak value
Low amplitude copy.Gate between the initial time shown in the measurement of starting position from the center to face of the first peak value
Every.Gating starting position, surface is locked into the first peak value of passage 2 plus initial interval.Interface
Gating starting position is locked into gating starting position, surface.System 10 is measured between gating A and B
Signal amplitude (highly) quantitative, and only consider between gating starting position and gating end position
Signal.
Fig. 4 a-Fig. 4 c provides the explanation analyzing the test result that bad means of spot welds obtains from use system 10.
In fig .4, because there is not welding tile, so ultrasonic beam does not travel completely through interface 14,
But reflect back into probe 100 from interface 14.Fig. 4 b graphically illustrates that each sound wave is connecing along with it
The direction reflected at mouth 14 and relative intensity.In fig. 4b, thinner line represents along with sound wave and interface
The loss of 14 mutual acoustic energy.The reflected signal being appointed as circle 1,2,3,4 and 5 corresponds to
The peak value shown in A sweep presented in Fig. 4 c.Fig. 4 c provides the test from A sweep pattern to obtain
Signal, wherein, signal 1 represent the top surface from upper sheet material 16 first reflection, signal 2
Representing the first reflection from interface 14, signal 3 represents the second reflection from interface 14, signal 4
Representing the 3rd reflection from interface 14, signal 5 represents the 4th reflection from interface 14.By letter
Numbers 3 horizontal lines drawn represent that surface gate, the trunnion axis drawn by signal 4 represent interface gate (see
Described above).
Fig. 5 a-Fig. 5 b provides the explanation analyzing the test result that adhesion welding obtains from use system 10.
Because the welding formed exists, so echoing in centre occur in interface 14 imperfectly or badly
While echoing and being completely reversed between wall reflection, ultrasonic beam is only partially advanced through interface 14.Figure
5a graphically illustrates that each sound wave is along with its transmission and the direction reflected and relatively strong at interface 14
Degree.In fig 5 a, thinner line represents the loss of the acoustic energy mutual with interface 14 along with sound wave.
It is appointed as the reflected signal of circular 1,2,3,4 and 5 corresponding to shown in the A sweep that presents in Fig. 5 b
Peak value.Fig. 5 b provides the signal that the test from A sweep pattern obtains, and wherein, signal 2 represents to come
From the first reflection of interface 14, signal 3 represents that first is completely reversed reflection, and signal 4 represents from connecing
Second reflection of mouth 14, signal 5 represents that second is completely reversed reflection.The level drawn by signal 3
Line represents that surface gates, and the trunnion axis drawn by signal 4 represents that interface gates (see described above).
Fig. 6 a-Fig. 6 b illustrates the geometry (Fig. 6 a) of curved three dimensional probe element and for sub-element group
Each excitation sequence (Fig. 6 b).Acoustic probes 100 includes multiple ultrasound transducer element 106, arranges
In cubical array, and have for making acoustic energy can be transferred directly to spot welding to be tested
The combination of the material of the contoured surfaces of head coincidence detection means of spot welds is allowed while connecing.Exciting element (phase
Control array element 200) it is coupled to array, and the subset group of element of transducer is combined with towards point
Welding sends ultrasonic beam.Each element of transducer in subset group can be at different intervals by arteries and veins
Punching ground regulation (Phase delay), and they independent ripple be added with produce wave beam convergence effect and
Steering effect.It is possible for optimizing other three dimensional arrangement of performance for application-specific.Element total
Quantity, overall dimensions and operation frequency determine general three surface profile shape and operating characteristic thereof and ginseng
Number.
The design of three-dimensional probe allows to check bigger physical blocks with less probe, thus allows and two dimension
The probe of the improvement that design is compared comes in and goes out and broader covering block.Three-dimensional geometry is arranged specifically in weldering
The region of joint provides precision and the sensitivity of optimization.As shown in Fig. 7 a-Fig. 7 d, Fig. 7 a institute
The result of corner elements of the three-dimensional bending probe shown illustrates, when with the two-dimentional flat probe shown in Fig. 7 c
When situation is compared, beam transmission angle redirect to the normal direction that representative point welding is recessed more.For closing
There is not the aobvious of beam quality in the center part in three-dimensional probe (Fig. 7 b) and two-dimensional probe (Fig. 7 d)
Write and change.In the Hi-Fi situation not losing the checking ability with two-dimensional matrix phased array probe
Under, three-dimensional probe extends over block from the built-in curvature of probe self.Present invention accordingly allows by relatively
Little probe diameter checks bigger welding block, allows the discrepancy improved.Can also allow to use more minority
The element of amount, reduces overall system cost while still covering whole welding block.
In each embodiment of the present invention, computerized controller is coupled to acoustic probes 100 and transducing
Device element 106, receives from its response for guiding the transmission of ultrasonic signal and being added.
Typically with reference to Fig. 8 (it provides the flow chart of the function illustrating a kind of possible operating system), controller can
Operation is: (i) generates and obtain acoustic signal；(ii) about each element detection of packets means of spot welds
Surface；(iii) instrument gating is adjusted, to compensate the difference of surface topography and probe orientation；(iv) survey
Measure from signal amplitude ratio between non-binding block and the response of the block reflection with good combination；(v)
The subset of response is identified as from the non-binding block reflection associated with means of spot welds, and by this subset
Separate with remaining response；(vi) degree without size of delamination is measured；And (vii) presents means of spot welds
Two-dimensional color coded image (see Fig. 9) without layering.In a word, the following particular advantages of the present invention includes:
(i) three-dimensional matrice probe element；(ii) by the Phase delay of sub-element group, to form wave beam convergence
And steering capability；(iii) film (infinite attenuation coefficient) fitted；And (iv) utilizes electronics to gate
Image procossing, to filter out undesired reflection.
In one exemplary embodiment, the present invention is assembled into fully-integrated portable (the most hand-held) electricity
The operated NDI nondestructive inspection in pond system, its minimizing is for including the joint of welded joint or brazing
The needs of the destructive testing of part and assembly.This unit includes ultrasonic phase array column circuits, and its cost is relatively
Low, size is less, and have by battery-operated ability, thus this equipment be cost-effective and
It is portable for using for production line.Therefore, system may serve as with big cost savings and efficiency
Check the instrument of the integrity of welded product.(it is properly termed as " EWI to this system
SpotSightTM") utilize matrix phased array (MPA) ultrasonic imaging technique, with by providing real
Time feedback while visualization check block ultrasonic C-scan Image accurately assess joint block
Situation.This system can be used in during various manufacture arranges, for checking metal and nonmetal making
Part and assembly.This system is for estimating that point of resistance welding, resistance have seam welding, laser welding, friction
The quality of the various engagement arrangement of stir spot welding, MIG means of spot welds, brazing and other welding is effective.
The present invention is particularly useful for situations below: (i) is about the means of spot welds estimated for steel, for steel and aluminum
Point of resistance welding, for aluminum friction-stir means of spot welds and for steel laser welding quality from
Dynamic chemical industry；(ii) about estimating there is seam welding for aluminum, titanium and the welding of stainless point of resistance and resistance
And it is used for the aircraft industry of the quality of the brazing of aviation grade nickel alloy；And (iii) is about estimating to use
MIG means of spot welds in steel and the cleaning of brazing for copper and the copper of stannum coating put in place (CIP) application.
With reference to Figure 10-Figure 11, the portable versions of the present invention is intended as in one or more production environment
Inspection system.The basic module of this system includes: (i) ultrasonic phased array transmission and reception circuit；
(ii) there is the fully-integrated computer of data-handling capacity and imaging algorithm；(iii) at least one square
Battle array phased array probe, has quickly connection/disconnection electrical connection；And the sum of (iv) ergonomic designs
The most portable housing, has and provides safe parking space to hold for matrix phased array probe therein
Carry handle.As shown in Figure 10, the exemplary embodiment of Portable welding joint inspection unit 400 includes
Main body 410 and handle 424.Main body 410 also includes power switch 412, for USB and exterior monitoring
The side joint that device connects enters 413, screen 414, aluminium sheet 416, connector adapter 417 (such as Flypertronix
Joint coupling adapter), rope around band 418, pin deposit block 420 and arm support 422.Handle
424 also include that probe deposits block 426.Probe 100 is connected to probe connector 103 (such as multiway ten thousand
To adapter), it is then connected to welding point inspection unit 400 at connector adapter 417.?
In each exemplary embodiment, it is same that ultrasonic phased array transmission and reception circuit also includes having 16 passages
Time multiplexing capacity 64 passage phased array circuit；Computer includes having by eliminating in production environment
Needs for computer mouse and keyboard improve the fortune of the smooth touch screen display checking speed
Row Windows 7 or Windows 8 operates the Intel i7 double-core of software and powers antidetonation tablet PC；
Imaging algorithm also includes SpotSightTMImaging software (EWI company；Columbus, Ohio), use
In providing suitable imaging algorithm to process the data from phased array electronics；At least one matrix is phased
Array probe also includes 64 element 3-D matrix phased array probe；And ergonomics housing also includes
The handle about internal electron, necessary all features are cooled down for permission, not carrying instrument and permission
The safety of probe is deposited and each feature of access to all power demands and FPDP.Also typical case
Ground includes wireless connectivity (such as bluetooth, Wi-Fi, cellular network etc.).The aforementioned aspect of this embodiment
Effectively advantages below is given the present invention: (i) is for carrying out amount by numeric data shown on screen
Change the ability that ground assessment welding engages with other type of material；(ii) self-contained without destructive ultrasonic
Inspection system；(iii) hand-portable；(iv) power of battery；V () touches screen and wireless functional；
And robust swift electron/mechanical connection that (vi) probe is to unit.
Figure 11 provides the basic training of the exemplary embodiment illustrating Portable welding joint inspection unit 400
The system block diagram of energy property.In this embodiment, phased array electronic circuit 520 is by processing from data
The activation command of software carrys out activated matrix phased array probe 510.It follows that matrix phased array probe
510 ultrasonic signals detected are fed to imaging algorithm 530, with pending, connect for be checked
Close the fusion situation of block and non-fusion situation.Finally, the ultrasonic C-scan Image 540 of color coding with
Additional numerical values data (such as tile and the average diameter of fusion block) display is on screen.EWI
SpotSightTMAlong with they are used two gatings by the independent subgroup of linear transducer array, (one is used for front surface
Reflection, another is used for interface reflection) detect and process ultrasonic signal.Ultrasonic C-scan Image is plotted as
Raw ultrasound data, are subject to processing in real time by double-gate imaging algorithm.The feedback time of operator is one second
Fraction, and if unsatisfactory with result, compared with the system that must reorientate of probe, visit
The adjustment of head is relatively easy to and quickly.Although these advantages, but in checking each welding, if
Dry factor may produce less desirable change, including: (i) aging membrane change acoustic impedance；(ii) sensing
Naturally the degradation of piezoelectric element included in device/probe；(iii) the somewhat difference between each transducer；
And (iv) system is for the conatus of all welding of deficient size.In order to compensate these changes,
Some embodiments of the invention include allowing to adjust the ratio between the first image gating and the second image gating
Feature.The operator of system is given for by the energy of welding that system calibration is known diameter by this feature
Power, thus increases the overall accuracy of system.In order to realize this situation, probe placement is existed by system operator
Including on the pedestal of welding tile with known diameter or predetermined diameter.If image reading is than pedestal slightly
Micro-greater or lesser, then adjusted gating ratio by operator by the specific input in software.Substantially
It is created that the most just with the intensity from the second gating by comparing the signal intensity from the first gating
Take the image on the screen of formula welding point inspection unit 400.
Although illustrating the present invention by the description of exemplary embodiment of the present, although and special
Do not describe embodiment in detail, but applicant is not intended to limit claims or by any way
It is defined to this details.Attendant advantages and amendment will easily manifest for those skilled in the art.Therefore, originally
Invent and be not limited to any detail, typical equipments and method and/or shown at its wider range of aspect
With the illustrated examples described.Correspondingly, without departing from applicant common invention conceive spirit and
In the case of scope, these details can be departed from.
Claims (20)
1. for non-destructively characterizing a portable system for means of spot welds, including:
A () at least one matrix phased array probe, wherein, described matrix phased array probe also wraps
Include:
(i) multiple ultrasound transducer element, the end at described probe is arranged in curved arrays,
Wherein, described element of transducer is operable as: not only generate ultrasonic signal but also receive its reflection；And
(ii) for making acoustic energy can be transferred directly to described spot welding under test status
The combination of the material of the contoured surfaces of means of spot welds described in permission head coincidence detection while connecing, wherein,
The combination of described material also includes: flexible membrane, is arranged on one end of described probe；And flowed
The chamber of body filling or solid sound delay time material, be deployed between described film and described array；With
And
B () main body, wherein, described main body is designed to hand-held, and wherein, described main body is also
Including:
The external shell of (i) ergonomic designs；
(ii) at least one input, is used for being connected at least one matrix phased array probe described；
(iii) ultrasonic phased array transmission and reception circuit, carries out electricity with at least one input described
Communication；
(iv) touching screen computer, wherein, described touch screen computer also includes at least one
Individual data processor, it runs and includes for processing the data received from described probe and generating
At least one imaging algorithm soft of the ultrasonic C-scan Image of the color coding of the welding characterized
Part；And
V in real time, () at least one monitor, shows that the described color of the welding characterized is compiled
The ultrasonic C-scan Image of code.
2. the system as claimed in claim 1, wherein, described element of transducer is arranged to point further
In vertical subgroup, and wherein, each subgroup can be independent of other subgroup and by between different time
Every being activated.
3. system as claimed in claim 2, wherein, for each element in subgroup independent of other
Subgroup and activate each subgroup at different intervals signal gathering and steering capability are provided.
4. the system as claimed in claim 1, wherein, described main body also includes at least one rechargeable
Battery.
5. the system as claimed in claim 1, wherein, the external shell of described ergonomic designs also wraps
Include handle, and wherein, described handle has been applicable to deposit described matrix phased array probe.
6. the system as claimed in claim 1, wherein, the external shell of described ergonomic designs also wraps
Include at least one arm support, be used for supporting described main body.
7. the system as claimed in claim 1, wherein, described ultrasonic phased array transmission and reception circuit
Also include the 64 passage phased array circuit with 16 passage concurrent multiplexing abilities.
8. the system as claimed in claim 1, wherein, described systems soft ware also includes input, and it allows
By using described matrix phased array probe initially to scan the welding point and so of known diameter
After correspondingly adjust system gates ratio to calibrate described system.
9. the system as claimed in claim 1, wherein, the ultrasonic C-scan Image of described color coding is also
Including for each characterized welding welding tile and fusion block average diameter.
10. for non-destructively characterizing a portable system for means of spot welds, including:
A () at least one matrix phased array probe, wherein, described matrix phased array probe also wraps
Include:
(i) multiple ultrasound transducer element, the end at described probe is arranged in curved arrays,
Wherein, described element of transducer is operable as: not only generate ultrasonic signal but also receive its reflection；And
(ii) for making acoustic energy can be transferred directly to described spot welding under test status
The combination of the material of the contoured surfaces of means of spot welds described in permission head coincidence detection while connecing, wherein,
The combination of described material also includes: flexible membrane, is arranged on one end of described probe；And flowed
The chamber of body filling or solid sound delay time material, be deployed between described film and described array；With
And
B () main body, wherein, described main body is designed to hand-held, and wherein, described main body is also
Including:
I the external shell of () ergonomic designs, wherein, described housing also includes handle, and it is
Deposit described matrix phased array probe through being applicable to；
(ii) at least one input, is used for being connected to described probe；
(iii) ultrasonic phased array transmission and reception circuit, carries out electricity with at least one input described
Communication；
(iv) touching screen computer, wherein, described touch screen computer also includes at least one
Individual data processor, it runs and includes for processing the data received from described probe and generating
At least one imaging algorithm soft of the ultrasonic C-scan Image of the color coding of the welding characterized
Part；
V in real time, () at least one monitor, shows that the described color of the welding characterized is compiled
The ultrasonic C-scan Image of code；And
(vi) at least one rechargeable battery.
11. systems as claimed in claim 10, wherein, described element of transducer is arranged to further
In discrete subgroup, and wherein, each subgroup can be independent of other subgroup and by the different time
Interval is activated.
12. systems as claimed in claim 11, wherein, for each element in subgroup independent of it
Its subgroup and activate each subgroup at different intervals signal gathering and steering capability are provided.
13. systems as claimed in claim 10, wherein, the external shell of described ergonomic designs is also
Including at least one arm support, it is used for supporting described main body.
14. systems as claimed in claim 10, wherein, described ultrasonic phased array sends and receives electricity
Road also includes the 64 passage phased array circuit with 16 passage concurrent multiplexing abilities.
15. systems as claimed in claim 10, wherein, described systems soft ware also includes input, and it is permitted
Permitted by use described matrix phased array probe with initially scan known diameter welding point and
The most correspondingly adjust system gates ratio and calibrate described system.
16. systems as claimed in claim 10, wherein, the ultrasonic C-scan Image of described color coding
Also include the welding tile for each characterized welding and the average diameter of fusion block.
17. 1 kinds of portable systems being used for non-destructively characterizing means of spot welds, including:
A () at least one matrix phased array probe, wherein, described matrix phased array probe also wraps
Include:
(i) multiple ultrasound transducer element, the end at described probe is arranged in curved arrays,
Wherein, described element of transducer is arranged in discrete subgroup further, wherein, and each subgroup
Independent of other subgroup and can be activated at different intervals；And it is wherein, described
Element of transducer is operable as: not only generate ultrasonic signal but also receive its reflection；And
(ii) for making acoustic energy can be transferred directly to described spot welding under test status
The combination of the material of the contoured surfaces of means of spot welds described in permission head coincidence detection while connecing, wherein,
The combination of described material also includes: flexible membrane, is arranged on one end of described probe；And flowed
The chamber of body filling or solid sound delay time material, be deployed between described film and described array；With
And
B () main body, wherein, described main body is designed to hand-held, and wherein, described main body is also
Including:
The external shell of (i) ergonomic designs, wherein, described housing also includes: handle, its
It is applicable to deposit described matrix phased array probe；And at least one arm support, for propping up
Support described main body；
(ii) at least one input, is used for being connected to described probe；
(iii) ultrasonic phased array transmission and reception circuit, carries out electricity with at least one input described
Communication；
(iv) touching screen computer, wherein, described touch screen computer also includes at least one
Individual data processor, it runs and includes for processing the data received from described probe and generating
At least one imaging algorithm soft of the ultrasonic C-scan Image of the color coding of the welding characterized
Part；And wherein, C-scan image also include for each characterized welding welding tile and
The average diameter of fusion block；
V in real time, () at least one monitor, shows that the described color of the welding characterized is compiled
The ultrasonic C-scan Image of code；And
(vi) at least one rechargeable battery.
18. systems as claimed in claim 17, wherein, for each element in subgroup independent of it
Its subgroup and activate each subgroup at different intervals signal gathering and steering capability are provided.
19. systems as claimed in claim 17, wherein, described ultrasonic phased array sends and receives electricity
Road also includes the 64 passage phased array circuit with 16 passage concurrent multiplexing abilities.
20. systems as claimed in claim 17, wherein, described systems soft ware also includes input, and it is permitted
Permitted by use described matrix phased array probe with initially scan known diameter welding point and
The most correspondingly adjust system gates ratio and calibrate described system.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/183,643 | 2014-02-19 | ||
| US14/183,643 US9037419B2 (en) | 2011-05-10 | 2014-02-19 | Portable matrix phased array spot weld inspection system |
| PCT/US2015/016042 WO2015126787A1 (en) | 2014-02-19 | 2015-02-16 | Portable matrix phased array spot-weld inspection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106257999A true CN106257999A (en) | 2016-12-28 |
Family
ID=53878859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580009190.6A Pending CN106257999A (en) | 2014-02-19 | 2015-02-16 | Portable matrix phased array means of spot welds checks system |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3108233A4 (en) |
| JP (1) | JP2017509873A (en) |
| KR (1) | KR20160122165A (en) |
| CN (1) | CN106257999A (en) |
| WO (1) | WO2015126787A1 (en) |
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| CN110431412A (en) * | 2017-03-13 | 2019-11-08 | 通用电气公司 | For testing the phased array probe and method of spot welding |
| CN111323479A (en) * | 2018-12-17 | 2020-06-23 | 株式会社岛津制作所 | Inspection apparatus and inspection method |
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| CN109283251B (en) * | 2017-07-19 | 2021-02-09 | 中国科学院声学研究所 | Signal processing circuit of well wall imaging ultrasonic phased array |
| KR102007494B1 (en) * | 2017-12-29 | 2019-08-05 | 주식회사 신영 | System for inspecting welding quality of weld zone using ultrasonic |
| DE102018213372A1 (en) * | 2018-08-09 | 2020-02-13 | Bayerische Motoren Werke Aktiengesellschaft | Method and device for ultrasonic spot welding |
| KR102147178B1 (en) * | 2018-10-02 | 2020-08-24 | 경일대학교산학협력단 | Image processing method and apparatus for spot welding quality evaluation |
| EP3798629A1 (en) * | 2019-09-24 | 2021-03-31 | Kabushiki Kaisha Toshiba | Processing system, processing method, and storage medium |
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| CN110382155B (en) * | 2017-04-28 | 2021-12-31 | 苏德罗尼克股份公司 | Method and device for roller seam welding of container bodies |
| CN111323479A (en) * | 2018-12-17 | 2020-06-23 | 株式会社岛津制作所 | Inspection apparatus and inspection method |
| CN111323479B (en) * | 2018-12-17 | 2023-12-15 | 株式会社岛津制作所 | Inspection device and inspection method |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3108233A4 (en) | 2017-10-04 |
| EP3108233A1 (en) | 2016-12-28 |
| WO2015126787A1 (en) | 2015-08-27 |
| KR20160122165A (en) | 2016-10-21 |
| JP2017509873A (en) | 2017-04-06 |
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